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Kaylis [27]
3 years ago
5

Is it true or false

Biology
2 answers:
trapecia [35]3 years ago
8 0
False it is actually the 5th most abundant element in the universe 
Sonbull [250]3 years ago
6 0
False is the correct answer 

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In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls flower color. The al
Lerok [7]

Answer:

The parent's genotypes are:

Ddpp - tall, white parent

ddPp - dwarf, purple parent.

Explanation:

This question involves two different genes coding for height and flower color in pea plants. The alleles for tallness (D) and purple color (P) are dominant over the alleles for dwarfness (d) and white color (p) respectively.

According to this question, a tall plant with white flowers is crossed with a dwarf plant with purple flowers to produce the following proportion of offsprings: 1/4 tall purple, 1/4 tall white, 1/4 dwarf purple, and 1/4 dwarf white.

Since some of the offsprings contain recessive alleles for both or either genes, the dominant traits of the parent is controlled by an heterozygous genotype. This means that the tall plant with white flowers has a genotype: Ddpp while the dwarf plant with purple flowers has the genotype: ddPp. In a cross between Ddpp × ddPp, 1/4 of each combination of alleles is produced in the offsprings (see punnet square in the attachment).

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3 years ago
What is air pollution and state the effect of air pollution​
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Air pollution is a type of environmental pollution that affects the air and is usually caused by smoke or other harmful gases, mainly oxides of carbon, sulphur and nitrogen. In other words, air pollution is the contamination of air due to the presence or introduction of a substance which has a poisonous effect.

Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs.
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When seeds are carried to new locations we call this
nirvana33 [79]
<span>Seed Dispersal is when seeds are carried to new locations.</span>
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